Canon C2050 Service Handbook page 123

1 General Timing Chart
Conditions: full-color, cassette; A4, single-sided (2 prints, continuous)
Main power
switch ON
Fixing main heater (H1)
Fixing sub heater (H2)
Pickup main motor (M2)
Delivery main motor (M16)
Pickup solenoid (SL1)
Pickup motor (M1)
Cassette 1 pickup sensor
(S1)
Pickup clutch (CL1)
Vertical path sensor (S11)
Vertical path clutch (CL2)
Pre-registration sensor
(S12)
Registration clutch (CL4)
Transfer belt drive motor
(M15)
Transfer swing clutch
(CL23)
Feed auxiliary roller bias
Drum drive motor Y (M3)
Drum drive motor M (M4)
Drum drive motor C (M5)
Drum drive motor Bk (M6)
Injection cylinder
clutch Y (CL6)
Injection cylinder
clutch M (CL8)
Injection cylinder
clutch C (CL10)
Injection cylinder
clutch Bk (CL12)
Injection charging AC-Y
Injection charging AC-M
Injection charging AC-C
Injection charging AC-Bk
Injection charging DC-Y
Injection charging DC-M
Injection charging DC-C
Injection charging DC-Bk
Exposure LED-Y
Exposure LED-M
Exposure LED-C
Exposure LED-Bk
Developing cylinder
clutch Y (CL5)
Developing cylinder
clutch M (CL7)
Developing cylinder
clutch C (CL9)
Developing cylinder
clutch Bk (CL11)
Developing bias AC-Y
Developing bias AC-M
Developing bias AC-C
Developing bias AC-Bk
Developing bias DC-Y
Developing bias DC-M
Developing bias DC-C
Developing bias DC-Bk
Transfer charging-Y
Transfer charging-M
Transfer charging-C
Transfer Bk-Bk
Auxiliary charging brush-Y
Auxiliary charging brush-M
Auxiliary charging brush-C
Auxiliary charging brush-Bk
Separation charging
Fixing assembly inlet sensor
Internal delivery sensor
(S27)
Delivery flapper solenoid
(SL5)
Eternal delivery sensor
(S28)
Reversing assembly CW
clutch (CL18)
Reversing assembly CCW
clutch (CL17)
Reversing assembly double
speed clutch (CL15)
Delivery vertical path
sensor (S29)
Duplex double speed
feeding clutch (CL20)
Duplex unit inlet sensor
(S30)
Re-pickup sensor (S31)
Re-pickup clutch (CL21)
Duplex equal speed
feeding clutch (CL19)
190˚C
WMUP
Controlled to 190˚C
2min
Print request
signal
PSTBY PINTR PRINT
Controlled to 180˚C
1.0sec
APPENDIX
Main power
switch OFF
LSTR PSTBY
A-1P